Otis is a town in Massachusetts. It was formed in 1773 and was previously called Tyringham Equivalent (Loudon, 1810). It can be found in Berkshire county and is a part of the Middle registry of deed district. For more information, contact the county at 1 N. Main St., Otis 01253. On the attached map, Otis is shown as 28 in Berkshire county.